UPSC Zoology Optional Previous Year Question Papers, Download PDF

Download UPSC Zoology Optional Previous Year Question Papers PDF with syllabus, exam pattern, dates, and preparation strategy for UPSC Mains 2025 Zoology.

UPSC Zoology Optional Previous Year Question Papers

UPSC Zoology Optional Previous Year Question Papers can help us understand the pattern of UPSC zoology optional papers and prioritise the topics to study according to the previous patterns, repetitions and format of questions. In this article, we are going to attach the PDFs of previous year UPSC zoology optional papers. 

UPSC Zoology Optional Paper 2025

The UPSC Mains Zoology Optional consists of two papers- Paper I and Paper II, both carrying 250 marks, making a total of 500 marks. Zoology is one of the 48 optional subjects offered by UPSC and is often chosen by candidates with a background in life sciences or a keen interest in animal biology.

The UPSC Zoology Optional 2025 examination is scheduled for 31st August 2025 (Sunday), where candidates will appear for:

  • Paper VI: Zoology Optional Paper I (Morning Session: 9:00 AM – 12:00 Noon)
  • Paper VII: Zoology Optional Paper II (Afternoon Session: 2:30 PM – 5:30 PM) 

UPSC Zoology Optional Paper 2025 will be conducted on 31st August 2025. Candidates can download the PDFs of both the papers from below after the exam has concluded. 

UPSC Zoology Optional Syllabus 2025 Overview 

Following is the pattern of UPSC Zoology Optional: 

Particulars Details

Exam Conducting Body

Union Public Service Commission (UPSC)

Exam Name

UPSC Civil Services Mains

Optional Subject

Zoology (Paper I & Paper II)

Marks

250 marks per paper (Total: 500)

Duration

3 hours per paper

Exam Date

31 August 2025

Official Website

www.upsc.gov.in

UPSC Zoology Optional Previous Year Question Papers

Practicing UPSC Zoology Optional previous year question papers is crucial for understanding the exam pattern and recurring themes. Below are the downloadable PDFs:

Year Paper I Paper II

2025

Download

Download

2024

Download

Download

2023

Download

Download

2022

Download

Download

2021

Download

Download

2020

Download

Download

2019

Download

Download

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UPSC Zoology Optional Success Rate

The success rate of Zoology as an optional varies every year, but it has consistently provided opportunities for candidates with strong subject knowledge.

Year

No. of Candidates

Selected

Success Rate (%)

2020

44

5

12.2%

2019

44

4

9.1%

2018

43

6

14.0%

2017

55

1

1.8%

UPSC Zoology Optional PYQ Preparation Strategy

To prepare UPSC Zoology optional PYQs, the following strategy can be used: 

  • UPSC Zoology syllabus can be broken down into micro topics to make the syllabus more manageable.
  • Books like R.L Kotpal for Animal Diversity, Cell Biology and Physiology can be studied for reference. 
  • Candidates should practice making well-labeled diagrams in order to improve the presentation. 
  • UPSC Zoology Optional PYQs can help in understanding the pattern and relevance of each topic and identify the frequently asked topics.
  • Make short notes of classifications, physiology and genetics.
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UPSC Zoology Optional Previous Year Question Papers FAQs

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